Linear actuator



FIG. 1 is a perspective front side view of a linear actuator seen from the top;

FIG. 2 is a perspective rear side view thereof seen from the top;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a rear side elevational view thereof; and,

FIG. 8 is a front side elevational view thereof. 

CLAIM The ornamental design for a linear actuator, as shown and described. 